EP1948378A1 - Schneidwerkzeuganordnung mit diamantschneidspitzen auf halber teilung zur schaffung von stegmerkmalen - Google Patents

Schneidwerkzeuganordnung mit diamantschneidspitzen auf halber teilung zur schaffung von stegmerkmalen

Info

Publication number
EP1948378A1
EP1948378A1 EP06817081A EP06817081A EP1948378A1 EP 1948378 A1 EP1948378 A1 EP 1948378A1 EP 06817081 A EP06817081 A EP 06817081A EP 06817081 A EP06817081 A EP 06817081A EP 1948378 A1 EP1948378 A1 EP 1948378A1
Authority
EP
European Patent Office
Prior art keywords
tool
diamond
cutting
tips
microreplication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06817081A
Other languages
English (en)
French (fr)
Other versions
EP1948378A4 (de
Inventor
Jennifer L. Trice
Charles N. Devore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of EP1948378A1 publication Critical patent/EP1948378A1/de
Publication of EP1948378A4 publication Critical patent/EP1948378A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/22—Securing arrangements for bits or teeth or cutting inserts
    • B23C5/24—Securing arrangements for bits or teeth or cutting inserts adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/06—Profile cutting tools, i.e. forming-tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/18—Cutting tools of which the bits or tips or cutting inserts are of special material with cutting bits or tips or cutting inserts rigidly mounted, e.g. by brazing
    • B23B27/20—Cutting tools of which the bits or tips or cutting inserts are of special material with cutting bits or tips or cutting inserts rigidly mounted, e.g. by brazing with diamond bits or cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B23B29/26—Tool holders in fixed position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/32—Milling helical grooves, e.g. in making twist-drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/08—Disc-type cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/12—Cutters specially designed for producing particular profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/18—Milling-cutters characterised by physical features other than shape with permanently-fixed cutter-bits or teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2220/00—Details of turning, boring or drilling processes
    • B23B2220/12—Grooving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/31—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/36—Epoxy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/21—Glued connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/16—Constructions comprising three or more similar components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/28—Arrangement of teeth
    • B23C2210/285—Cutting edges arranged at different diameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/10—Process of turning

Definitions

  • FIG. 1 is a top view of a cutting tool assembly 10 that includes three tool shanks 11, 12 and 13 mounted in a mounting structure 14.
  • Cutting tool assembly 10 is configured for flycutting in which assembly 10 is rotated about an axis 15.
  • assembly 10 may be mountable to a drive shaft 16, which can be driven by a motor of a tooling machine (not shown) to rotate assembly 10.
  • Mounting structure 14 may comprise a structure for holding tool shanks 11, 12 and 13 that have diamond tips 17, 18 and 19.
  • the shanks 11, 12 and 13 may be formed from a metallic or composite material, and diamonds can be secured to shanks 11, 12 and 13 by a substantially permanent securing mechanism, such as a solder, braze or adhesive.
  • Cutting tool assembly 40 also includes four additional tool shanks 43 A, 43B, 43 C and 43D (collectively shanks 43), which are positioned between shanks 41.
  • Tool shanks 43 define diamond tips 44A, 44B, 44C and 44D (collectively diamond tips 44) for land feature creation.
  • Diamond tips 44 are also spaced one pitch (P) apart from one another, but are spaced one-half pitch relative to tips 42, which are used to create grooves. Tips 44 are positioned at a height that is less than the height of tips 42. In this manner, planarity of lands features can be improved in the tooling of microreplication tools used to create microreplicated structures.
  • FIG. 5 is a conceptual top view of another embodiment of a multi-diamond cutting tool assembly 50 configured for fly-cutting.
  • cutting tool assembly 50 of FIG. 5 four tool shanks 53A, 53B, 53C and 53D (collectively shanks 53) that define diamond tips 54A, 54B, 54C and 54D (collectively diamond tips 54) for groove feature creation.
  • Diamond tips 54 are spaced one pitch (P) apart from one another.
  • tips 54 are positioned at a height H 1 to define a groove depth in a microreplication tool.
  • the respective microreplication tool 72 or 82 comprises a casting roll, although other microreplication tools such as casting belts, injection molds, extrusion or embossing tools, or other work pieces could also be created using cutting tool assembly 10 or cutting tool assembly 20.
  • the work piece may be planar rather than a roll as shown in FIGS. 7 and 8.
  • cutting tool assembly 10 may be rotated about an axis.
  • Cutting tool assembly 10 may also be moved relative to microreplication tool 72 in lateral directions (as illustrated by the arrows). At the same time, microreplication tool 72 may be rotated about an axis.
  • systems 70 and 80 may improve land feature creation by using a third diamond tip, rather than leaving the land features un-tooled and defined by the original un-tooled surface of microreplication tool 72 or 82.
  • the feature to be created by the third diamond tip comprises a planar land feature.
  • the invention can improve the planarity of microreplication tool 72, 82 that is created by diamond cutting tool 10, 20.
  • the feature to be created by the third diamond tip comprises a land feature that includes a small and shallow groove (or other sub-feature).
  • the land feature between the first and second grooves can itself define an optical feature to be created in a microreplication structure.
  • the width of the sub-feature formed in the land feature may be less than the width of the land feature.
  • Microreplication tools 72 and 82, or any work piece created using the techniques described herein may be formed of copper, nickel, aluminum, plastic such as acrylic, or any material capable of being machined.
  • the machining techniques described herein may be implemented by moving only the diamond cutting tips, by moving only the work piece relative to the diamond cutting tips, or by moving both the work piece and the diamond cutting tips.
  • the sizes of the diamond tips described herein may be defined by a cutting height
  • the cutting height (H CUTT IN G ) defines the maximum depth that the diamond can cut in a work piece, and may also be referred to as the cutting depth.
  • the cutting width (W CUT TIN G ) may be defined as the average cutting width, or the maximum cutting width of a tip. Another quantity that can be used to define the size of the cutting tips is referred to as the aspect ratio.
  • the aspect ratio is the ratio of height (H C UTTIN G ) to width (WCUT T IN G ). Diamond tips created by focused ion beam milling processes can achieve various heights, widths, pitches, and aspect ratios.
  • FIG. 11 is a perspective view of a diamond 110 that can be secured into a tool shank and then used in a cutting tool assembly.
  • Diamond 110 may correspond to any of diamond tips 17, 18, 27 or 28 described above.
  • diamond 110 may define a cutting tip 112 defined by at least three surfaces (Sl -S3).
  • Surfaces Sl, S2 and S3 may be created by grinding or lapping techniques, and may be perfected by focused ion beam milling techniques.
  • FIG. 12 is a perspective view of a diamond 120 that can be secured into a tool shank and then used in a cutting tool assembly.
  • Diamond 120 may correspond to either of diamond tips 19 or 29 described above.
  • diamond 120 may define a flat cutting tip 122 which can create flat land features.
  • FIG. 13 is a perspective view of a diamond 130 that can be secured into a tool shank and then used in a cutting tool assembly.
  • diamond 130 may define a flat cutting tip 132 that includes a small sub-tip 134 to define micro-groove sub-features in a land feature.
  • Sub-tip 134 may have a shape that is like that of diamond 110 in FIG. 11, but is a smaller protruding feature a larger diamond 130.
  • Diamond 130 with flat cutting tip 132 and sub-tip 134 may be used to define land features that include micro-grooves. Again, focused ion beam milling techniques may be used to define the diamond shapes described herein.
  • the tip of the fly-cutting tool can be placed at the center of rotation to eliminate the translations that would be present otherwise.
  • a precision X-Y flexure device 158 may be used to translate the cutting tools in two degrees of freedom relative to the rotor body without backlash.
  • Tapped holes may be provided to attach balance weights.
  • tapped radial holes may be used to provide for fine balance adjustment set screws.
  • Dummy cartridges can be used as counter weights if less than a full complement of six tools is loaded. The dummy cartridges may contain coarse balance adjustment screws. Due to the disc like design, dynamic balancing may not be required. A simple static balance between straightedges provides excellent balance results.
  • a through hole can be used as a balance shaft.
  • a cutting tool assembly has been described that defines least two diamond cutting tips that correspond to grooves to be created in the microreplication tool and at least one diamond cutting tips that corresponds to a land feature to be created in the microreplication tool between the grooves.
  • the invention is particularly useful in improving land feature creation by using a third diamond tip, rather than leaving the land features un-tooled and defined by the original un-tooled surface of micro-replication tool.
  • the cutting tool assembly may be used to cut grooves and lands into other types of work pieces, e.g., work pieces other than microreplication tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Turning (AREA)
EP06817081A 2005-10-19 2006-10-17 Schneidwerkzeuganordnung mit diamantschneidspitzen auf halber teilung zur schaffung von stegmerkmalen Withdrawn EP1948378A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/253,782 US7445409B2 (en) 2005-10-19 2005-10-19 Cutting tool assembly including diamond cutting tips at half-pitch spacing for land feature creation
PCT/US2006/040616 WO2007047712A1 (en) 2005-10-19 2006-10-17 Cutting tool assembly including diamond cutting tips at half-pitch spacing for land feature creation

Publications (2)

Publication Number Publication Date
EP1948378A1 true EP1948378A1 (de) 2008-07-30
EP1948378A4 EP1948378A4 (de) 2010-12-29

Family

ID=37946952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06817081A Withdrawn EP1948378A4 (de) 2005-10-19 2006-10-17 Schneidwerkzeuganordnung mit diamantschneidspitzen auf halber teilung zur schaffung von stegmerkmalen

Country Status (7)

Country Link
US (1) US7445409B2 (de)
EP (1) EP1948378A4 (de)
JP (1) JP5301998B2 (de)
KR (1) KR20080057293A (de)
CN (1) CN101287567B (de)
TW (1) TWI385040B (de)
WO (1) WO2007047712A1 (de)

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See also references of WO2007047712A1 *

Also Published As

Publication number Publication date
US7445409B2 (en) 2008-11-04
WO2007047712A1 (en) 2007-04-26
JP2009512568A (ja) 2009-03-26
TW200730280A (en) 2007-08-16
JP5301998B2 (ja) 2013-09-25
TWI385040B (zh) 2013-02-11
CN101287567A (zh) 2008-10-15
CN101287567B (zh) 2010-06-23
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US20070084316A1 (en) 2007-04-19
EP1948378A4 (de) 2010-12-29

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